USA SAE Flat Washer Thru Hardened with Clear Zinc Cr3 Plating
USA SAE Thru Hardened Flat Washers with Clear Zinc Cr3 Plating
When your fastening system requires both high structural strength and dependable corrosion resistance, USA-made SAE thru hardened flat washers with Clear Zinc Cr3 plating provide the ideal solution. Engineered for performance-driven applications, these washers deliver consistent load distribution, long-term durability, and reliable protection in demanding industrial environments.
Built for Strength and Structural Integrity
Thru Hardened Medium Carbon Steel
Manufactured from medium carbon steel compatible with SAE J429 fastener systems, these flat washers undergo a full thru hardening heat treatment process. Unlike surface-hardened alternatives, thru hardened washers maintain uniform hardness throughout the entire washer body. This ensures exceptional resistance to crushing, embedding, deformation, and galling under high clamp loads and torque.
Maintains Bolt Preload Under Stress
These hardened washers are specifically designed to preserve bolt tension and clamping force, even under vibration, pressure, or thermal cycling. They are ideal for applications where joint integrity and long-term performance are critical.
Clear Zinc Cr3 Plating for Corrosion Protection
RoHS-Compliant Corrosion Resistance
The Clear Zinc Cr3 (trivalent chromium) plating provides moderate corrosion resistance while maintaining a bright, clean finish. Unlike older hexavalent coatings, Cr3 plating is RoHS compliant, making it suitable for environmentally regulated industries such as electronics, HVAC, and advanced manufacturing.
Enhanced Appearance and Surface Protection
The smooth zinc finish not only protects against oxidation and moisture exposure but also improves surface durability during installation and service.
SAE Precision and USA Manufacturing Quality
Produced to SAE J995 and related dimensional standards, these washers feature a smaller outside diameter than USS washers for precision-fit applications. Tight ID and OD tolerances ensure secure bolt seating and consistent load transfer.
Common applications include automotive assemblies, industrial equipment fabrication, light construction, and machinery fastening. For strength, precision, and corrosion resistance in one dependable component, USA SAE thru hardened flat washers with Clear Zinc Cr3 plating are the professional’s choice for high-performance bolted connections.
